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3 years ago

Please help me with math.. im dying/drying/frying

Mathematics

2 answers:

shutvik [7]3 years ago

5 0

A ray is a line with a dot on the end. A plane is a vehicle that has two wings, two engines, a cockpit, and a cabin.

egoroff_w [7]3 years ago

3 0

A ray is a line that has a begining point, but no end point
a ray is 1 dimentional, it only goes one direction, left and right

a plane is 2 dimentional and extends indefinitely
it goes left and right and up and down

think of it like this

you have a piece of paper with no height
you draw a line starting at a point on the paper and it goes infinitely in the other direction

the paper is a plane, the line on it that has a starting point is the ray

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The lengths of the sides of a triangle are 3, 3, and the square root 3. Can the triangle be a right triangle?

Readme [11.4K]

First find the decimal equivalent of square root 3: SQRT(3) = 1.732 ( roughly)

If the base and height were each 3, then the hypotenuse would need to be:

3^2 + 3^2 = C^2
9 + 9 = C^2
18 = C^2
C = SQRT(18) = 4.24

This is larger than sqrt(3), so this cannot be a right triangle.

If one leg was 3 and the other leg was sqrt(3) then the hypotenuse would be:
3^2 + 1.73^2 = C^2
9 + 3 = C^2
12 = C^2
C = SQRT(12) = 3.46

This is larger than 3, this cannot be a right triangle.

The answer is b) no.

8 0

3 years ago

Read 2 more answers

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Ahat [919]

It’s A. The first option. Also pls brainlist

7 0

2 years ago

Identify a possible first step using the elimination method to solve the system and then find the solution to the system.

JulsSmile [24]

The correct answer is D

6 0

2 years ago

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: In a marketing survey, a random sample of 730 women shoppers revealed that 628 remained loyal to their favorite supermarket du

scoundrel [369]

Answer:

The point estimate for p is 0.86.

Step-by-step explanation:

We are given that in a marketing survey, a random sample of 730 women shoppers revealed that 628 remained loyal to their favorite supermarket during the past year (i.e. did not switch stores).

Let p = proportion of all women shoppers who remain loyal to their favorite supermarket

Now, the point estimate for the population proportion (p) is represented by ;

Point estimate for p = $\hat p$ = $\frac{X}{n}$

where, X = Number of women shoppers who remained loyal to their favorite supermarket during the past year = 628

n = sample of women shoppers = 730

So, point estimate for p ( $\hat p$ ) = $\frac{X}{n}$

= $\frac{628}{730}$ = 0.86

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3 years ago

The distribution function of the univariate random variable x is continuous at x if and only if p(x

sweet-ann [11.9K]

The distribution function of the univariate random variable x is continuous at x if and only if , F (x) = P (X ≤ x)

Continuous univariate statistical distributions are functions that describe the likelihood that a random variable, say, X, falls within a given range. Let P (a Xb) represent the probability that X falls within the range [a, b].

A numerically valued variable is said to be continuous if, in any unit of measurement, whenever it can take on the values a and b. If the random variable X can assume an infinite and uncountable set of values, it is said to be a continuous random variable.

If X can take any specific value on the real line, the probability of any specific value is effectively zero (because we'd have a=b, which means no range). As a result, continuous probability distributions are frequently described in terms of their cumulative distribution function, F(x).

To learn more about univariated data

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1 year ago